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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A333836 Number of ways to write n as the difference of two positive k-gonal numbers for k >= 3.

Table of values

n a(n)
1 0
2 1
3 2
4 2
5 4
6 2
7 5
8 3
9 6
10 3
11 6
12 4
13 7
14 4
15 7
16 5
17 8
18 4
19 7
20 5
21 10
22 6
23 7
24 5
25 10
26 5
27 10
28 5
29 9
30 7
31 9
32 6
33 11
34 6
35 10
36 6
37 12
38 5
39 11
40 7
41 11
42 6
43 9
44 7
45 13
46 9
47 9
48 8
49 12
50 7
51 13
52 7
53 9
54 7
55 11
56 9
57 17
58 7
59 7
60 8
61 13
62 6
63 14
64 9
65 17
66 8
67 11
68 6
69 12
70 9
71 11
72 9
73 13
74 7

List of values

[0, 1, 2, 2, 4, 2, 5, 3, 6, 3, 6, 4, 7, 4, 7, 5, 8, 4, 7, 5, 10, 6, 7, 5, 10, 5, 10, 5, 9, 7, 9, 6, 11, 6, 10, 6, 12, 5, 11, 7, 11, 6, 9, 7, 13, 9, 9, 8, 12, 7, 13, 7, 9, 7, 11, 9, 17, 7, 7, 8, 13, 6, 14, 9, 17, 8, 11, 6, 12, 9, 11, 9, 13, 7]

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